Commit 630ecc93 authored by Alexander Stein's avatar Alexander Stein Committed by Shawn Guo
Browse files

arm64: dts: tqma8mpql: add PCIe support 



Add PCIe support on TQMa8MPxL module on MBa8MPxL mainboard.

Signed-off-by: default avatarAlexander Stein <alexander.stein@ew.tq-group.com>
Signed-off-by: default avatarShawn Guo <shawnguo@kernel.org>
parent a9404a89

arch/arm64/boot/dts/freescale/imx8mp-tqma8mpql-mba8mpxl.dts

+41 −1
Original line number Diff line number Diff line
@@ -8,6 +8,7 @@ 


#include <dt-bindings/leds/common.h>

#include <dt-bindings/net/ti-dp83867.h>

#include <dt-bindings/phy/phy-imx8-pcie.h>

#include <dt-bindings/pwm/pwm.h>

#include "imx8mp-tqma8mpql.dtsi"
@@ -48,6 +49,12 @@ backlight_lvds: backlight { 
		status = "disabled";

	};



	clk_xtal25: clk-xtal25 {

		compatible = "fixed-clock";

		#clock-cells = <0>;

		clock-frequency = <25000000>;

	};



	gpio-keys {

		compatible = "gpio-keys";

		pinctrl-names = "default";
@@ -340,9 +347,16 @@ &gpio4 { 
			  "", "", "", "",

			  "", "", "", "",

			  "", "", "DP_IRQ", "DSI_EN",

			  "HDMI_OC#", "TEMP_EVENT#", "PCIE_CLK_OE#", "",

			  "HDMI_OC#", "TEMP_EVENT#", "PCIE_REFCLK_OE#", "",

			  "", "", "", "FAN_PWR",

			  "RTC_EVENT#", "CODEC_RST#", "", "";



	pcie-refclkreq-hog {

		gpio-hog;

		gpios = <22 0>;

		output-high;

		line-name = "PCIE_REFCLK_OE#";

	};

};



&gpio5 {
@@ -377,6 +391,13 @@ at24c02_54: eeprom@54 { 
		pagesize = <16>;

		vcc-supply = <&reg_vcc_3v3>;

	};



	pcieclk: clock-generator@6a {

		compatible = "renesas,9fgv0241";

		reg = <0x6a>;

		clocks = <&clk_xtal25>;

		#clock-cells = <1>;

	};

};



&i2c4 {
@@ -407,6 +428,25 @@ &pcf85063 { 
	interrupts = <28 IRQ_TYPE_EDGE_FALLING>;

};



&pcie_phy {

	fsl,clkreq-unsupported;

	fsl,refclk-pad-mode = <IMX8_PCIE_REFCLK_PAD_INPUT>;

	clocks = <&pcieclk 0>;

	clock-names = "ref";

	status = "okay";

};



&pcie {

	clocks = <&clk IMX8MP_CLK_HSIO_ROOT>,

		 <&clk IMX8MP_CLK_HSIO_AXI>,

		 <&clk IMX8MP_CLK_PCIE_ROOT>;

	clock-names = "pcie", "pcie_bus", "pcie_aux";

	assigned-clocks = <&clk IMX8MP_CLK_PCIE_AUX>;

	assigned-clock-rates = <10000000>;

	assigned-clock-parents = <&clk IMX8MP_SYS_PLL2_50M>;

	status = "okay";

};



&pwm2 {

	pinctrl-names = "default";

	pinctrl-0 = <&pinctrl_pwm2>;